Comparing the Big Guns: Rodman vs. Confederate Columbiad | To the Sound of the Guns

20 Май 2014 | Author: | Комментарии к записи Comparing the Big Guns: Rodman vs. Confederate Columbiad | To the Sound of the Guns отключены
Rodman 11.20 boat

Comparing the Guns: Rodman Confederate Columbiad

of several smoothbore guns Fort Moultrie, Carolina allow direct comparison different types for seacoast during the War era.

Row at Moultrie — Rodmans, a a Seacoast

For the few cannon I ve on the Columbiads .   example at Moultrie is of these to a pattern from Foundry.  Cast August 20, the gun foundry number

Tredegar 10-inch #1656

As ve stressed the earlier the Confederate retained a reinforce while a gradually barrel.  While exactly the the end is an form similar the Rodman produced in North during war.  Still flat of reinforce stands contrast to curves of Rodman.

Here s of those guns.  Fort Foundry, Pittsburgh, cast this in the of 1863.  is registry 156, inspected Robert H.K. ( And a minor I have the registry of this is 158.  most sources the registry is 156 So I bow to preponderance of .)  Notice bottle-shaped exterior presenting a curve from cascabel to muzzle.

10-inch — Fort #156

The Rodman weighed to 2,000 more than Confederate Columbiad the same While Fort #156 weighed pounds, it mate #182 the same weighed 14,980

Muzzle Marks 10-inch Rodman Fort Pitt

The Tredegar s markings somewhat weathered the marks it weighed pounds.

Weight on Tredegar

The Rodmans longer at inches compared 123 inches the Confederate However both have a maximum diameter around 32 Both taper about the rate to trunnions to diameter of inches.

Both added sight over the to work breech face This was common arrangement large-caliber guns.  before the the Army to off-center-line using a mounted sight.

of Fort #182

This also allows of the The Federal has a 3.25 inch trunnion.  The is 10 The rimbases evenly into barrel.  The were designed use on iron carriages. consider the gun:

Trunnion of #1656

Its while the 10-inch diameter, nine inches With the of some Confederate Columbiads. rebel guns the long indicating a for wooden

The form carriage also the elevating The breech the Confederate has angular for its elevation system.

Rodman 11.20 boat

Face of #1656

For standard wooden (pre-war so was used both sides), elevating mechanism a finger press against indentations from The indentations known as I ll the details this mechanism a later but will that the depended upon preponderance of to the end of gun.

On the hand Rodman after the and early batches, had preponderance; or other words balanced evenly the trunnions.  elevation, the have a of sockets.  a pry the gun would elevate gun by the pry a lever a cradle.  I ll the two in detail

The Confederate and Rodmans smoothbores of

Bore of — Fort #182

But were slight in the bottoms, which not visible to the perspective.  The guns used hemispherical bore which had into vogue heavy guns before the The Rodmans featured an hemisphere or bore bottom.  the case the 10-inch the bore extends 9.75 instead of hemispherical 5 This allowed powder bags seat better.

Another comparison the guns, cannot be by photos, the difference casting technique.   guns, as ve mentioned other posts, a hollow water-cooled system.  and Bellona these Confederate using standard techniques.

So this point reader should convinced that term Confederate cannot not applied to Tredegar gun its kin.

Cannon Row Fort Moultrie

as a note, I well continue another comparison the guns cannon row.  the two (second and from the is a Columbiad Model which was and rifled the war.


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